# 헬로먼데이 Hello Monday vs Nanotime

The clearest difference is in-app purchases: 헬로먼데이 Hello Monday at none against Nanotime's 1. 헬로먼데이 Hello Monday also leads on ads (none vs shown) and iOS requirement (11.0 vs 16.4). Nanotime's advantage is update cadence (every 2 days vs every 5 months). On price and device support there is nothing between them.

Both are free to download. Nanotime sells 1 one-off in-app purchase. 헬로먼데이 Hello Monday asks for nothing beyond the download.

헬로먼데이 Hello Monday ships an update every 5 months, Nanotime every 2 days. The most recent releases landed on October 9, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | 헬로먼데이 Hello Monday | Nanotime |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 5 months | **Every 2 days** |
| Monetization | — | Ad-supported |
| Size | 16 MB | 66 MB |
| Requires iOS | **11.0** | 16.4 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [HelloMonday](https://appshunter.io/developer/1694687037) | [Nemo factory](https://appshunter.io/developer/6781919423) |

## What reviewers say

### 헬로먼데이 Hello Monday

[App page](https://appshunter.io/ios/app/hello-monday/id1594279239)

**Features:** macOS Compatibility

**In-app purchases:** none


### Nanotime

[App page](https://appshunter.io/ios/app/nanotime-server-time-clock/id6801582008)

This app displays the precise server time of ticketing and course registration websites in milliseconds. It directly queries the target site's server, accounting for network delays and server clock discrepancies. Get accurate countdowns and alerts for important events without relying on your phone's standard clock.

**Highlights:** Millisecond-accurate server time display, Direct server queries, no central server, Accounts for network delay and server clock drift, Supports over 1,200 pre-registered sites, Custom site input and favorites, Audio and vibration alerts for target times, Picture-in-Picture (PiP) mode for concurrent browsing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $3.99 | one-time |


## Frequently asked questions

### Is 헬로먼데이 Hello Monday free?

헬로먼데이 Hello Monday is free to download, with no in-app purchases.

### Is Nanotime free?

Nanotime is free to download, with in-app purchases available.

### Do 헬로먼데이 Hello Monday or Nanotime have ads?

Nanotime shows ads; 헬로먼데이 Hello Monday does not.

### Which is updated more often, 헬로먼데이 Hello Monday or Nanotime?

헬로먼데이 Hello Monday ships an update every 5 months, and Nanotime every 2 days. Most recently, 헬로먼데이 Hello Monday was updated on October 9, 2026 and Nanotime on October 24, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*